Today, the steel/concrete bridge has been rebuilt and is used by passenger trains - the river was renamed Kwae Yai (""Big Kwae"") to accommodate tourists searching for the bridge from the film.Although he knew Viper was evil, he thought: "She""s a means to an end - an end your grandfather wanted." While flying toward Kronos and Harrison""s location about three minutes away, Spock predicted that Harrison would most likely resist and attempt to kill them.Mola Ram""s followers released a gigantic tidal wave of underground cistern water into the mine""s passageways to flood them out.The reverberating sounds of the alien creature and shaking bushes attract the attention of the men.The man with the keys (and the others) swing around and shine their flashlights toward the direction of the sounds, forcing he squealing alien to attempt to rush back toward the alien spacecraft with the men in quick pursuit.